Home / 669,336,986.52-1,000,923,332.58-636,685,251.48

Finding the Fourth Proportional to 669,336,986.52, 1,000,923,332.58 and 636,685,251.48

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Solution

The fourth proportional to 669,336,986.52, 1,000,923,332.58 and 636,685,251.48 is: 952,096,083.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,336,986.52 : 1,000,923,332.58 = 636,685,251.48 : x
  2. Step 2: Convert to fraction form
    669,336,986.52/1,000,923,332.58 = 636,685,251.48/x
  3. Step 3: Cross multiply
    669,336,986.52x = 1,000,923,332.58 × 636,685,251.48
  4. Step 4: Simplify right side
    669,336,986.52x = 637,273,123,715,896,960
  5. Step 5: Solve for x
    x = 637,273,123,715,896,960/669,336,986.52
  6. Step 6: Final answer
    x = 952,096,083.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.